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The differential recruitment of executive functions during time, number and length perception: An individual differences approach.

Ogden, R, Samuels, M, Simmons, F, Wearden, J and Montgomery, C (2017) The differential recruitment of executive functions during time, number and length perception: An individual differences approach. The Quarterly journal of experimental psychology. ISSN 1747-0218

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Developmental, behavioural and neurological similarities in the processing of different magnitudes (time, number, space) support the existence of a common magnitude processing system (e.g. ATOM; Bueti & Walsh, 2009; Walsh, 2003). It is however unclear whether the recruitment of wider cognitive resources (STM and executive function) during magnitude processing is similar across magnitude domains or domain specific. The current study used an individual differences approach to examine the relationship between STM, executive function and magnitude processing. In two experiments, participants completed number, length and duration bisection tasks to assess magnitude processing and tasks which have been shown to assess STM span and the four key executive component processes identified by Miyake et al. (2000) and Fisk and Sharp (2004) (shifting, inhibition, updating and access). The results suggest that the recruitment of STM and executive resources differed for the different magnitude domains. Duration perception was associated with access, inhibition and STM span. Length processing was associated with updating and number processing was associated with access to semantic memory. For duration and length, greater difficulty in the magnitude judgement task resulted in more relationships to STM and executive function. It is suggested that duration perception may be more demanding of STM and executive resources because it is represented sequentially, unlike length and number which can be represented non-sequentially.

Item Type: Article
Additional Information: This is an Accepted Manuscript of The Quarterly journal of experimental psychology an article published by Taylor & Francis in on 13the December 2016, available online: http://www.tandfonline.com/10.1080/17470218.2016.1271445
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Divisions: Natural Sciences & Psychology (closed 31 Aug 19)
Publisher: Taylor and Francis
Date Deposited: 01 Dec 2016 11:25
Last Modified: 20 Apr 2022 08:59
DOI or ID number: 10.1080/17470218.2016.1271445
Editors: Jones, L
URI: https://researchonline.ljmu.ac.uk/id/eprint/4961
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